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Old 24 Feb 2008, 10:01 am
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Default 2005 Acura TL?

just bought a 05 TL w/ nav and 54k miles for out to the door price of 22k was this a good deal and do i really need to put premium gas? Does it really make a difference isn't all gas the same, i am planning on using B-12 in the gas tanks at every oil change is this good enough?
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Old 24 Feb 2008, 10:16 am
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I won't even look into whether this was a good deal or not - it doesn't matter now since you've already bought the car. Check with www.edmunds.com if you want validation as to whether you got a good deal. That engine is designed to use premium fuel, so you should use it. If you don't, the knock sensors will detect the inevitable detonation (pinging) and adjust the timing to try to reduce/stop it, and now your car will have less power and probably get poorer mileage as a result. All gas is NOT the same. Premium fuel has higher octane, which means it resists detonation better. This allows the car to be tuned for higher performance. It's a waste to put premium in a car that isn't designed for it, but it's equally dumb to not put premium in a car that is designed for it. If you didn't want to pay the extra for premium fuel, you should have bought an Accord instead.
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Old 24 Feb 2008, 10:31 am
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Too late to ask now, Regular gas will reduce your performance and mileage slightly.
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Old 24 Feb 2008, 10:46 am
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the price you bought your car for is worth your while but keeping your car runing the way it should is a hassel. because it has a lot to do with gas quality. the rating of the gas as you see everyday the higher the octane rating the higher the price. for examples gas rated at the bare minimum you should use is 87 to as high as 92 octane your engine being consider a high performance engine requires 92 octane to run at it's best and to maintain it true performance. putting in lower gas ratings will effect it's power and it's ability to perform. premuim gas such as 91,92 octane ratings is the only gas i would reconmend using with shell gas station and or 76 gas stations.. these are truely quality gas... the difference between 87.89.91.92 gas ratings is the chemicles used to make them for example 87 has molecules in them that does not burn well causing you to get bad gas mileage and 92 being the good gas burns really well giving you better gas mileage.. if you don't belive me and i'm not saying that you don't belive me either, but put in am/pm gas for a week and pay attention to it, then put in 76 gas and you'll see the difference of what i'm talking about.. if you want to know more just ask me i can giver you the hold 12 yard of how cheap gasoline can destroy your engine thanks man
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Old 24 Feb 2008, 11:01 am
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There is a fair amount of debate & confusion surrounding the effects from (especially long term effects) using regular gas in a car designed for premium fuel. I also drive a TL, and always use 91 octane minimum. Yes, your car has a knock sensor which will adjust the timing of the engine to preclude 'pinging' from detonation. A lower octane gas will provide lesser performance...lower horsepower, the engine will seem less peppy. The real issue is re the long-term effects from using regular gas in a car that's got 11:1 compression. I've read about the risk of carbon buildup on the pistons, cylinder heads & plugs from continuosly running too low an octane fuel. Carbon buildup creates 'hot' spots inside the engine that in turn will cause detonation...you're engine could over time seem to become even less efficient. Personally, I'd only use regular gas in a pinch as an occasional tankful shouldn't do you harm.--------The following comes from ///D, who on this site was recently voted best answer...to the very same question about type of gas in a TL:Best Answer - Chosen by VotersThe Acura TL comes with high compression engine that requires premium fuel.Premium fuel contains more octane than regular fuel. This is to retard the combustion process i.e. the piston can compress the fuel/air mixture further before it ignites.If you use regular fuel then 2 disruptive occurrences will be noticed:1) Engine knocking: Since the regular gas will ignite prior to the piston compressing it completely i.e. (hits bottom dead center) the explosion will "knock" against the piston. This can damage your piston, crankshaft, spark plug and cylinder.2) Carbon deposit: Premium gas burns cleaner. Regular gas will leave excessive carbon deposits because your engine control unit (ECU) is programmed for premium, not regular hence it operates with certain parameters for the cams. Carbon deposits not only harm your engine but will also release more than the allowed harmful emissions that pollute the environment.Besides the TL owner's manuals say that it is "required" not "recommended" to use premium gasoline.1 month ago
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Old 24 Feb 2008, 11:16 am
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personally I thnk you got ripped off on the price.I have a 2004 TL, with only 49,500 miles on it and KBB says it is only worth like 18K or 19K. To answer your question, I don't use premium all the time. Though I noticed that when I use the mid grade it makes odd noises that it doesn't when I use premium. I also get a little bit better mileage when I use premium. Be aware that you don't need to do oil changes at set intervals with the TL...it has a computer that tells you when to change the oil. I have it done once every 5000 - 7000 miles, whenever my car tells me to. My first oil change didn't happen until it was almost 9,000 miles.
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Old 24 Feb 2008, 11:31 am
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We have a 2004 TL. in our town the gas stations dont sell premium gas. premium is ususally 91 or 92 octane. the highest we put in ususally is 89. its not caused any problems with the car and it already has 80,000 miles on it. gas mileage is really the only thing that will be effected. but not even all that much.
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Old 24 Feb 2008, 11:46 am
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i have a 1999 TL and I can definitely feel a differences in performance between 89 octane and 94 octane. I don't even dare to feed my baby 87 octane. Her revving just sounds happier when she gets 94 octane, and she seems to have more energy.
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Old 24 Feb 2008, 12:01 pm
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the price of the car is determined by year, if it is TL or TL-S certified/ non certified, Clean, all the extras it has on it & how bad you wanted it. You got a good deal and spent 22K on a high performance car to get a high performance experience;. Use what ACURA, who made the car is telling you, to keep your TL running at its best performance. It gets me when people purchase an expensive, high performance car and then don't take care of it to get the best out of it. If you wanted cheap you should have bought a cheaper car. All gas is not the same, thats why there are premium choices. like Accord, TL, NSX.Obviously you wanted performance, so go with performance that adds longevity. Read your Manual. Or go to Acura.com, click on Owner & OwnerLink and register w/vin # for free, for all your needs & questions, & will also send you any recall notices, etc.
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